Update rag_llamaindex.py

rag_llamaindex.py

@@ -123,5 +123,7 @@ class LlamaIndexRAG(BaseRAG):
         print("111 " + str(service_context.callback_manager))
         print("111 " + str(service_context.callback_manager.handlers))
         print("111 " + str(service_context.callback_manager.handlers[0]))
+        token_counter = (TokenCountingHandler) service_context.callback_manager.handlers[0]
+        print("222 " + str(token_counter))
         
         return completion